12 7/10 + 6 5/10 as a mixed number in the simplest form

Maria solved an equation as shown below. what is the solution to maria’s equation?

Given abc find the values of x and y. in your final answer, include all of your calculations.

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour.is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers